Array read by downward antidiagonals: A(n,k) = A(n-1,k+2) + Sum_{j=0..k} binomial(k,j)*A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0.
A369595
Array read by downward antidiagonals: A(n,k) = A(n-1,k+2) + Sum_{j=0..k} binomial(k,j)*A(n-1,j) with A(0,k) = 1, n >= 0, k >= 0.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =1a(4) =3a(5) =7a(6) =1a(7) =5a(8) =14a(9) =37a(10) =1a(11) =9a(12) =30a(13) =89a(14) =264a(15) =1a(16) =17a(17) =68a(18) =227a(19) =737a(20) =2433a(21) =1a(22) =33a(23) =162a(24) =611a(25) =2169a(26) =7696a(27) =27913a(28) =1a(29) =65
External references
- oeis: A369595